<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="vue.js"></script>
</head>
<body>

    <!-- v-pre: 阻止预编译 -->
    <div id="root">

        <div v-pre>
            {{msg}}
        </div>
        <div>
            {{msg}}
        </div>
        <input v-model="msg">
    </div>
    <script>
        new Vue({
            el: "#root",
            data: {
                msg: "123"
            }
        })

    </script>



</body>
</html>
